U1 Atoms Vocabulary Preview/Review

Atom

• the basic unit of matter

• negatively charged particle in an atom

• a monomer of lipids

• a particle with a positive charge

Element

• negatively charged particle in an atom

• two or more atoms connected by chemical bonds

• pure substance that consists entirely of one type of atom

• a particle with a positive charge, found in the nucleus of an atom

Electron

• pure substance that consists entirely of one type of atom

• the basic unit of matter

• negatively charged particle in an atom

• a particle with a positive charge, found in the nucleus of an atom

Proton

• the basic unit of matter

• a particle with a positive charge, found in the nucleus of an atom

• negatively charged particle in an atom

• a very large molecule important to biological processes

Structure

• what something does; its purpose

• how something is arranged or organized

• the basic unit of matter

• a particle with a positive charge, found in the nucleus of an atom

Function

• negatively charged particle in an atom

• how something is arranged or organized

• what something does; its purpose

• the basic unit of matter

Match the element with its atomic symbol

• P

• Hydrogen

• N

• oxygen

• C

• Carbon

• O

• Phosphorus

• H

• Nitrogen

Reactant

• two or more atoms connected by chemical bonds

• elements or compounds produced by chemical reactions

• elements or compounds that enter into a chemical reaction

• a synonym for "product"

Product

• elements or compounds produced by chemical reactions

• elements or compounds that enter into a chemical reaction

• a synonym for "reactant"

• the ability to do work

Molecule

• two or more atoms connected by chemical bonds

• elements or compounds that enter into a chemical reaction

• elements or compounds produced by chemical reactions

• the ability to do work